ore dressing

Metallurgy. the mechanical processes by which valuable minerals are separated from ore.


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World English Dictionary
ore dressing
mineral dressing, Also called: mineral processing the first stage in the extraction of a metal from an ore in which as much gangue as possible is removed and the ore is prepared for smelting, refining, etc

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Example sentences
Ore dressing studies were made of typical ores from several of the larger districts.
Disaggregation of rock finds use in a number of areas including mining, ore dressing, and hydrocarbon production.
Ore dressing and milling typically refer to a specific subset of operations under beneficiation and are the focus of this section.
Other ore dressing techniques can also be used inexpensive, the cost of the upgraded ore will still be comparatively low.
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